大众 dàzhòng the public

Volkswagen (automobile manufacturer); the masses; the great bulk of the population; popular (of music, science etc)

How to remember 大众: 大 big + 众 multitude = the public.

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大众 (dàzhòng) means "the general public/the masses," used in media, marketing, and cultural contexts.
Common collocations: 大众文化 (dàzhòng wénhuà, popular/mass culture), 大众化 (dàzhònghuà, to become popularized/mainstream).
Compare with 群众 (qúnzhòng), which also means "the masses" but carries a more political/organizational flavor (e.g. Communist Party rhetoric about serving the masses) - 大众 is the neutral, everyday-facing term used for audiences and consumers.
Note: 大众 is also the Chinese name for the car brand Volkswagen, a separate proper-noun usage worth recognizing in context.